33. Putting a satellite in orbit The strength of Earth's gravitational field varies with the distance r from Earth's center, and the magni- tude of the gravitational force experienced by a satellite of mass m during and after launch is mMG F(r) - Here, M - 5.975 x 104 kg is Earth's mass, G - 6.6720 x 10-"N-m² kg is the universal gravitational constant, and r is measured in meters. The work it takes to lift a 1000-kg satellite from Earth's surface to a circular orbit 35,780 km above Earth's center is therefore given by the integral 35,7600 1000MG -dr joules. Work = Evaluate the integral. The lower limit of integration is Earth's radi- us in meters at the launch site. (This calculation does not take into account energy spent lifting the launch vehicle or energy spent bringing the satellite to orbit velocity.)
33. Putting a satellite in orbit The strength of Earth's gravitational field varies with the distance r from Earth's center, and the magni- tude of the gravitational force experienced by a satellite of mass m during and after launch is mMG F(r) - Here, M - 5.975 x 104 kg is Earth's mass, G - 6.6720 x 10-"N-m² kg is the universal gravitational constant, and r is measured in meters. The work it takes to lift a 1000-kg satellite from Earth's surface to a circular orbit 35,780 km above Earth's center is therefore given by the integral 35,7600 1000MG -dr joules. Work = Evaluate the integral. The lower limit of integration is Earth's radi- us in meters at the launch site. (This calculation does not take into account energy spent lifting the launch vehicle or energy spent bringing the satellite to orbit velocity.)
Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter7: Gravitation
Section: Chapter Questions
Problem 5STP
Related questions
Question
![33. Putting a satellite in orbit The strength of Earth's gravitational
field varies with the distance r from Earth's center, and the magni-
tude of the gravitational force experienced by a satellite of mass m
during and after launch is
mMG
F(r) -
Here, M - 5.975 x 104 kg is Earth's mass, G - 6.6720 x
10-"N-m² kg is the universal gravitational constant, and r is
measured in meters. The work it takes to lift a 1000-kg satellite
from Earth's surface to a circular orbit 35,780 km above Earth's
center is therefore given by the integral
35,7600
1000MG
-dr joules.
Work =
Evaluate the integral. The lower limit of integration is Earth's radi-
us in meters at the launch site. (This calculation does not take into
account energy spent lifting the launch vehicle or energy spent
bringing the satellite to orbit velocity.)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fbc724915-ee7e-46a0-a000-def11de66d86%2F7b9b48d0-36fe-4d8a-a420-159eebb99f49%2Fzm6ttu_processed.png&w=3840&q=75)
Transcribed Image Text:33. Putting a satellite in orbit The strength of Earth's gravitational
field varies with the distance r from Earth's center, and the magni-
tude of the gravitational force experienced by a satellite of mass m
during and after launch is
mMG
F(r) -
Here, M - 5.975 x 104 kg is Earth's mass, G - 6.6720 x
10-"N-m² kg is the universal gravitational constant, and r is
measured in meters. The work it takes to lift a 1000-kg satellite
from Earth's surface to a circular orbit 35,780 km above Earth's
center is therefore given by the integral
35,7600
1000MG
-dr joules.
Work =
Evaluate the integral. The lower limit of integration is Earth's radi-
us in meters at the launch site. (This calculation does not take into
account energy spent lifting the launch vehicle or energy spent
bringing the satellite to orbit velocity.)
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